code: def __init__(self):
      super().__init__((LSTM, GRU), include_header=recr_include_list)
      self.template = recr_function_template
  
file_path: hls4ml/hls4ml/backends/vivado/passes/recurrent_templates.py
imports: from hls4ml.backends.backend import get_backend
  from hls4ml.backends.template import FunctionCallTemplate, LayerConfigTemplate
  from hls4ml.model.layers import GRU, LSTM
label_desc: Use image node_id 1 to create a new RecurrentFunctionTemplate object from inherited base classes: FunctionCallTemplate with example: obj = RecurrentFunctionTemplate()